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Finnish participation at ISOLDE Juha Äystö Department of Physics and Accelerator Laboratory University of Jyväskylä Helsinki Institute of Physics University of Helsinki. HIP Nuclear Matter Program-2003. Program leader: Juha Äystö. Physics & RIB techniques Project leader - PowerPoint PPT Presentation
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Nuclear Matter Program
ISOLDE-project
Finnish participation at ISOLDE
Juha Äystö
Department of Physics and Accelerator LaboratoryUniversity of Jyväskylä
Helsinki Institute of PhysicsUniversity of Helsinki
Nuclear Matter Program
ISOLDE-project
HIP Nuclear Matter Program-2003
Program leader: Juha Äystö
Physics + ITS bonding & T0
Project leader:Dr. W.H. Trzaska (JY) Dr. M. Oinonen (HIP) Prof. V. Ruuskanen (JY)
Core contribution: 1 MCHF
Physics & RIB techniques
Project leaderDr. A. Jokinen (SA, CERN) Prof. J. Äystö (JYU, CERN) Dr. K. Peräjärvi (CERN)
EURISOL ProjectEU funded (R&D)
Nuclear Matter Program
ISOLDE-project
ISOLDE at CERN
Our recent ISOLDE-activities
Experimental nuclear physics group (JYU)Prof. J. Äystö (INTC chair)Dr. A. Jokinen (ISCC-representative), Dr. S. Kopecky, Dr. Y. WangGrad. Students: T. Eronen J. Huikari, A. Kankainen, V. Kolhinen, S. Rinta-Antila
Nuclear theory for ISOLDE studies (JYU):Prof. J. Suhonen (INTC-member), Dr. J. ToivanenGrad student: J. Kotila
Solid state physics (HU+JYU):Prof. J. Räisänen Grad students: P. Laitinen, I. Riihimäki,
Research areas• Nuclear astrophysics• Weak interaction• Nuclear structure FFS• Novel instrumentation• Radioactive ion beams
6 PhDs in 1997-2003
Nuclear Matter Program
ISOLDE-project
Instrumentation
BUFFER GAS
HIGH VOLTAGE
VDC(z)
z
rCooling and bunching of radioactive ion beamsImprove the emittance, energy spread and the time structure of the radioactive ion beams2002: Simulations and design 2003: Construction starts
Si-ball projectA high-granularity Si-ball detector array for charged particle decay and reaction studies2002: Commissioning run for half-sphere2003: Experiments on 58Zn and 17Ne
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0
50
100
150
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0 20 40 60 80 100 120 140 160 180 200
E(keV)
Coun
ts
New Tool: In-trap spectroscopy
Annular -detector
-detector
-detector
CE- detector
Radioactive ion cloud
CP detector
Ions in
118mInPRINCIPLE
CE-decay at REXTRAP
Nuclear Matter Program
ISOLDE-project
Nuclear Matter Program
ISOLDE-project
Nuclear spectroscopy
Nuclear Astrophysics:Decay properties and binding energies of rp-process nuclei2002: 69Kr decay to 69Br2003: Mass of 68Se and 72Kr2003-04: 12C()16O via 17Ne(p)
Weak interaction:2002: High-precision studies of superallowed beta decay of 74Rb2003: Isospin symmetry probed by the charge-exchange reactions and the beta decay of 58Zn
Structure of nuclei far from stability:2002-03: The structure of heavy Ca-isotopes and the effective interaction in the sd-fp shell of very neutron-rich nuclei2003-04: Evolution of collectivity in neutron-rich Cd isotopes; change over from isospin symmetric multiplets to shell model interpretation
Exotic decay modes:2002: Three -cluster states in 12C2003-04: 17Ne beta-delayed charged-particle decay
Michael Wiescher, APS-Meeting 2003
Studied at ISOLDE
Nuclear Matter Program
ISOLDE-project
Radioactive ion beams
Hall 1 Hall 2
Hall 3
REX-ISOLDEPost-accelerated ions for
1. Nuclear structure studies2. Nuclear astrophysics
2003: Energy upgrade to 3.1 MeV/u
Next Generation RNB-facilitySPL, RAMA, ISOLDEBeta-beams for -factory
In charge of InstrumentationStudy Group